NirSoft web site provides a unique collection of small and useful freeware utilities, all of them developed by Nir Sofer.
In order to search for a freeware utility in NirSoft Web site, click here.
If you are looking for password-recovery tools, click here.
To view your IP address and other information, click here.
If you have a software-listing Web site, and you want to add the freeware utilities provided by NirSoft, click here.
These utilities are pretty damn cool and remind me a bit of the SysInternals utilities, which were somewhat recently (July 2006) purchased by Microsoft.